<template>
	<view>
		<view class="good-list">
      <view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
      <my-goods :goods="goods"></my-goods>
      </view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				queryObj:{
          query: '',
          cid: '',
          pagenum: 1,
          pagesize: 10
        },
        goodsList:[],
        total: 0,
        // 节流阀
        isloding: false
			};
		},
    onLoad(options){
      this.queryObj.query= options.query || ''
      this.queryObj.cid = options.cid || ''
      
      this.getGoodsList()
    },
    methods:{
      // 获取圣品数据的方法
      async getGoodsList(cb){
        // 打开节流阀
        this.isloding = true
        const {data:res} = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
        this.isloding = false
        cb&&cb()
        if(res.meta.status !== 200) return uni.$showMsg()
        this.goodsList = [...this.goodsList,...res.message.goods]
        this.total = res.message.total
      },
      gotoDetail(goods){
        uni.navigateTo({
          url:'/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
        })
      }
    },
    onReachBottom() {
      if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg("数据加载完毕")
      
      if(this.isloding) return
      // 让页码值自增加一
      this.queryObj.pagenum++
      this.getGoodsList()
    },
    onPullDownRefresh() {
      // 重置关键数据
      this.queryObj.pagenum = 1,
      this.total = 0,
      this.isloding = false,
      this.goodsList= []
      
      // 重新发起数据请求
      this.getGoodsList(() => uni.stopPullDownRefresh())
    }
	}
</script>

<style lang="scss">

</style>
